package com.xxd.spring.boot.demo.wubolin.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.xxd.spring.boot.demo.wubolin.entity.Grade;

import java.util.List;

public interface GradeMapper extends BaseMapper<Grade> {
    Grade infoByCode(String code);
    List<Grade> all();
}
